Hire the Best LoopBack Specialists in Noida, IN

I am a Senior Node Engineer, Backend Engineer, and MERN Developer with over 6 years of experience architecting scalable, enterprise-grade applications. I specialize in building robust server-side architectures using Node.js and Express.js, while seamlessly integrating full-stack MERN developer workflows with React and Next.js to deliver high-performance systems. My engineering focus is on writing clean, type-safe, and maintainable code that prioritizes architectural stability, security, and long-term scalability. Whether you need a backend engineer to optimize a high-traffic SaaS platform or a MERN developer to launch a rapid-turnaround MVP, I provide the technical leadership necessary to turn complex requirements into secure business assets. Core Technical Expertise Backend Engineering and Architecture * Node Engineer Specialist: Expert in building asynchronous, event-driven architectures and high-throughput server systems. * Backend Engineer Skills: Designing and deploying optimized, secure RESTful APIs and microservices. * TypeScript Integration: Implementing strictly typed codebases to reduce technical debt and streamline team collaboration. * Real-time Communication: Creating low-latency, bi-directional data streams using Socket and WebSockets. * Scalability: Transitioning monolithic systems into modular, highly scalable microservices. Database and Data Management * MERN Developer Databases: Advanced MongoDB schema design, indexing, and aggregation pipelines. * Relational Databases: Proficient in managing complex relational data utilizing MySQL and PostgreSQL. * Backend Security: Implementing industry-standard authentication systems via JWT, OAuth2, and secure session management. Cloud Infrastructure and DevOps * AWS Ecosystem: Extensive hands-on experience with EC2, S3, ECS, and CloudFront. * CI/CD Pipelines: Automating continuous integration and deployment cycles to ensure zero-downtime updates. * Performance Optimization: Diagnosing server bottlenecks using npm profiling and rigorous load testing. Industry-Specific Solutions I have successfully delivered backend engineer and full-stack solutions across a variety of competitive sectors: * Financial Services and Fintech * Healthcare and MedTech - including HIPAA-aware development * SaaS Platforms and Enterprise Administration Dashboards * Internet of Things (IoT) and BLE hardware connectivity * Logistics and Transportation tracking systems Recent Projects and Impact Custom Backend Engineering I design personalized server architectures tailored to specific business logic, ensuring that your backend infrastructure supports long-term user growth rather than creating performance bottlenecks. MVP Development for Startups As an end-to-end MERN developer, I specialize in the rapid prototyping phase, helping founders launch functional Minimum Viable Products to validate ideas and secure early-stage funding. AI and Third-Party API Integration I have deep experience integrating OpenAI (ChatGPT), specialized large language models, and custom AI-driven automation into existing Node.js ecosystems to maximize user engagement. Why Partner With Me? Business-First Mindset I approach software engineering from a commercial perspective. I prioritize architecture that keeps your AWS cloud computing costs low, minimizes server latency, and maximizes product uptime as your user base scales. Reliable Support and Communication I am available across all major time zones, Monday to Friday, providing transparent technical updates and maintaining a highly proactive approach to project management. Ready to elevate your backend architecture with a dedicated Node engineer? Click the Hire button or send a message to schedule a 10-minute discovery call. Let's discuss your technical roadmap and build a system that scales.

Are you building a marketplace, SaaS platform, eCommerce store, or mobile app that needs a rock-solid payment system? You've just found your expert. I specialize in Stripe Connect — the go-to solution for multi-vendor marketplaces, platform payouts, split payments, and connected account onboarding. Whether you need Standard, Express, or Custom Connect accounts, I'll architect the right flow for your business model. STRIPE & PAYMENT GATEWAY SERVICES ▸ Stripe Connect (Standard / Express / Custom) ▸ Stripe Checkout, Stripe Elements & Payment Intents API ▸ Stripe Billing — subscriptions, usage-based pricing, invoicing & dunning ▸ Stripe Radar — fraud prevention, custom rules & risk scoring ▸ Stripe Terminal — in-person payment integration ▸ Payment gateway integration (Stripe, Braintree, PayPal, Adyen, Square) ▸ One-time payments, split payouts & platform fee automation ▸ ACH, SEPA, BACS & multi-currency payment flows ▸ Failed payment recovery & smart retry logic ▸ Real-time webhook automation & event-driven architecture SECURITY & COMPLIANCE ▸ PCI-DSS compliant payment architecture ▸ 3D Secure (SCA / Strong Customer Authentication) ▸ Card tokenization & secure vault storage ▸ Encrypted webhooks & endpoint signature verification ▸ KYC/AML compliance for Stripe Connect platforms AI-ENHANCED PAYMENT SYSTEMS I bring hands-on AI experience to modern payment engineering: ▸ AI-assisted fraud detection workflows with Stripe Radar ▸ LLM-powered financial reporting & revenue dashboards ▸ Intelligent churn prediction & automated recovery triggers ▸ AI-driven smart retry logic for failed payments ▸ Automated dispute management using machine learning PLATFORMS & TECH STACK ▸ Node.js, Python, PHP, React, Next.js ▸ REST APIs, GraphQL & webhook integrations ▸ AWS, GCP & serverless payment backends ▸ Shopify, WooCommerce & headless eCommerce ▸ B2B SaaS, marketplace platforms & mobile apps (iOS/Android) WHY CLIENTS HIRE ME ✔ Certified Stripe integration expertise ✔ End-to-end ownership — from architecture to go-live ✔ Optimized checkout flows that reduce cart abandonment & maximize conversion ✔ Scalable, low-latency payment infrastructure built for growth ✔ Clear communication and on-time delivery Let's build a payment system that works flawlessly and scales with your business. Send me a message — I'm ready to discuss your project.

Is your payment infrastructure costing you customers, revenue, or sleep? I build payment systems that don't just work — they scale, recover automatically, and turn checkout friction into conversion. With 10+ years in FinTech, I've architected payment infrastructure for startups and enterprises alike — processing $20M+ in transactions across 200+ apps globally. Whether you need a Stripe integration built right the first time, a subscription engine that survives edge cases, or a multi-gateway setup that cuts processing costs — I've done it, and I have the numbers to prove it. What I Deliver - • Payment Gateway Integration — Stripe, Stripe Connect, PayPal, Braintree, and custom multi-gateway architectures built for reliability and speed • Subscription & Recurring Billing — Smart dunning logic, partial payments, proration, multi-invoice handling, and churn reduction workflows • Fraud Prevention & Compliance — PCI-DSS, 3D Secure, SCA, tokenization — security that protects your business without killing conversion • Mobile & In-App Purchases — Apple App Store, Google Play Billing, and RevenueCat integrations with cross-platform sync and policy compliance • Webhooks & Automation — Real-time failure handling, automated retries, chargeback management, and event-driven revenue recovery • Cost Optimization — Reduced one client's monthly processing costs from $160K → $50K through gateway routing and fee structuring • App Store Payment Compliance — Payment flows built to pass Google and Apple review — no rejections, no rework Results I've Driven 1. Helped BrainTap double revenue and hit a 99.6% crash-free rate post-integration 2. Cut payment processing overhead by up to 69% for SaaS and subscription businesses 3. Launched 200+ apps with compliant, scalable payment systems across iOS, Android, and web Who I Work With SaaS founders, FinTech startups, marketplace operators, and product teams who need payment infrastructure that's built to last — not patched together. If your payment system is leaking revenue, blocking growth, or just not scaling — let's fix it properly. Book a consultation and let's audit your payment stack.

Please read below for a full list of my proficiencies, but for your quick reference as to what I am a master at: * payment gateway solutions (Stripe Certified Developer, PayPal, Authorize.net, Skrill, Braintree, Square, Adyen, cybersource,NMI,2 Checkout, stripe terminal,stripe identity verification, Moneris ,Airwallex,eway, Razorpay, Payu, Paytm, Icici bank, Master CardStripe, cloaking payment gateway expert, etc). * Chat Air.AI with GHL , live trasnfer, call recording , zapier setup with chat air ai, Update GHL lead with Chat Air.AI. * I will solve whatever your payment challenge is or solution that you are looking for. * Generally, I am quite clever with Rest APIs * I have now built several fundraising websites from the ground up that have exceeded my clients expectations. I obviously also maintain them as necessary (which isn’t much if I built them). 
 I'm a Software enthusiast with over 14 years of development experience. I am an expert in Javascript (Node.js, React.js, Vue.js & Angular.js) and all things PHP (Laravel, Magneto, Wordpress, Drupal, Shopify, YII, CAKE) and their complimentary mobile applications (Native Android, IOS, Flutter and React Native to develop applications). I am also experienced with Python, if that is your preference. Along my journey creating web applications, websites, and mobile applications I have contributed to several open-source libraries along the way. I have a strong base in software development with an awesome educational record in my curricula. Over the years, regardless of the technical challenge, I solve the issue with great precision and accuracy. Whether working autonomously or with a team I always exceed best practices, stringently employing version control systems (BitBucket, GIT, Deployment Pipes, Jenkins, etc..), and excel within Linux, AWS, CDNs, S3, Amplify , RDS, etc… I'm addicted to clean workflow using testing frameworks like Karma, Mocha, and Tape. I'm also a part of a team creating a cross-platform desktop application in Electron.js. I have sharp skills in database systems including MySQL, NoSQL databases, and Graph databases like OrientDB and Neo4j. I am Swiftlane api Integrator partner I write impeccable and maintainable code, building a reusable foundation, while also keeping my clients updated about emerging technologies. If the project involves a new technology, I easily and quickly become proficient in the new technologies without any complications, with hundreds of successfully completed projects. 
I look forward to working with you, Arun 

For fundraising website references, please find: 
 Our Fund ugive2 – Simple-Fast-Fundraising Colour Blast – Fundraising Made Easy